# Upgrading Town Hall

Upgrading the Town Hall is slower and requires more resources than other buildings. Players can only upgrade their Town Hall to the next level by using specific resources and spending a specific amount of $ANCIEN. 

Town Halls will not produce $ANCIEN while being upgraded.

Below are calculations established by our economists for the Town Hall upgrade rewards:

![](/files/UYXl1aIpMNV2NU4KZc2A)

![](/files/Ee2u6GI3O4fVlznmFrLS)

Building time to upgrade Town Hall for level 1 Builder city\
{ \[g(y) - g(y-1)]\*0.30; g(0)=0; g(1) = g(1)\*0.30}\
\
Resources Production time to Upgrade for levels \
{ \[g(y) - g(y-1)]\*0.70; g(0)=0; g(1) = g(1)\*0.70}


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